Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, B (Bonolo)

Chess SA id

1110098158

FIDE id

Date of birth

2011-01-07 (U16)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1128.6	1160	1200	967.2
Raw rating	1128.6	1160	1200	967.2
Weighted rating	1128.6	1160	1200	967.2
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.6	175.5	165.8	231
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-10-01	1200 2018-02-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2018-02-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2018-10-01	1200 2018-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1128.6	1160	1200	967.2
Analysis
Rating	1128.6	1160	1200	967.2
Raw rating	1128.6	1160	1200	967.2
Weighted rating	1128.6	1160	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	183.6	175.5	165.8	231
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1128.6	1160	1200	967.2
New weighted rating	1128.6	1160	1200	967.2
New weighted performance	0	0	0	0
Temp new rating	1128.6	1160	1200	967.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1128.6	1160	1200	967.2
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	17	4	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	3	17.65	-275	1105.1	830.1
Standard	4	1	25	-212.5	1200	987.5
Rapid	0	0	0	0	0	0
Blitz	13	2	15.38	-294.2	1075.9	781.7

Date	Main	Standard	Rapid	Blitz
2026-01-01	1128.6	1160	1200	967.2
2025-11-30	1128.6	1160	1200	967.2
2025-11-01	1128.6	1160	1200	967.2
2025-09-30	1128.6	1160	1200	967.2
2025-09-01	1128.6	1160	1200	967.2
2025-08-01	1128.6	1160	1200	967.2
2025-07-01	1128.6	1160	1200	967.2
2025-06-01	1128.6	1160	1200	967.2
2025-05-01	1128.6	1160	1200	967.2
2025-04-01	1128.6	1160	1200	967.2
2025-03-01	1128.6	1160	1200	967.2
2025-02-01	1128.6	1160	1200	967.2
2025-01-01	1128.6	1160	1200	967.2
2024-12-01	1128.6	1160	1200	967.2
2024-11-01	1128.6	1160	1200	967.2
2024-10-01	1128.6	1160	1200	967.2
2024-09-01	1128.6	1160	1200	967.2
2024-11-01	1128.6	1160	1200	967.2
2024-07-01	1128.6	1160	1200	967.2
2024-06-01	1128.6	1160	1200	967.2
2024-05-01	1128.6	1160	1200	967.2
2024-04-01	1128.6	1160	1200	967.2
2024-03-01	1128.6	1160	1200	967.2
2024-02-01	1128.6	1160	1200	967.2

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Smart Chess Blitz 2020 (U10+U12)	2020-02-29	2020-02-29	Blitz	Mangaung (FMB)	7	7	1	Yes	Analysis
2	Smart Chess Blitz 2018 (U10)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	6	1	Yes	Analysis
3	Mangaung Metro Chess 19 & 20 January 2018 (F)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 5	type Blitz	result 1
		Opponent Van Rooyen, P (Pieter)				Opponent Van Rooyen, P (Pieter)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Emuze, I (Imole)				Opponent Emuze, I (Imole)
3	1	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 19 & 20 January 2018
		date 2018-01-19	rnd 2	type Standard	result 1	date 2018-01-19	rnd 2	type Standard	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Pelesa, O (Oratilwe)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 19 & 20 January 2018
		date 2018-01-19	rnd 2	type Standard	result 1	date 2018-01-19	rnd 2	type Standard	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Pelesa, O (Oratilwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 5	type Blitz	result 1
		Opponent Van Rooyen, P (Pieter)				Opponent Van Rooyen, P (Pieter)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Emuze, I (Imole)				Opponent Emuze, I (Imole)

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 5	type Blitz	result 1
		Opponent Van Rooyen, P (Pieter)				Opponent Van Rooyen, P (Pieter)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Emuze, I (Imole)				Opponent Emuze, I (Imole)
3	1	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 19 & 20 January 2018
		date 2018-01-19	rnd 2	type Standard	result 1	date 2018-01-19	rnd 2	type Standard	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Pelesa, O (Oratilwe)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 19 & 20 January 2018
		date 2018-01-19	rnd 2	type Standard	result 1	date 2018-01-19	rnd 2	type Standard	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Pelesa, O (Oratilwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 5	type Blitz	result 1
		Opponent Van Rooyen, P (Pieter)				Opponent Van Rooyen, P (Pieter)
2	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Emuze, I (Imole)				Opponent Emuze, I (Imole)

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Boje ,E (Ewald)	2	0	-425	0	0	0	0	0	0	2	0	-425
1	Boje ,E (Ewald)	2	893.6	468.6	0	0	0	0	0	0	2	551.2	468.6
2	Mpakama ,J (Junior)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mpakama ,J (Junior)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Pelesa ,O (Oratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pelesa ,O (Oratilwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Herbst ,L (Leone)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Herbst ,L (Leone)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Le Roux ,S (Stephan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Le Roux ,S (Stephan)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Lill ,A (Amore)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Van Lill ,A (Amore)	1	1098.5	673.5	0	0	0	0	0	0	1	1200	673.5
7	Van Rooyen ,P (Pieter)	1	1	425	0	0	0	0	0	0	1	1	425
7	Van Rooyen ,P (Pieter)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
8	Beelders ,K (Kyra)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Beelders ,K (Kyra)	1	515.5	90.5	0	0	0	0	0	0	1	500	90.5
9	Lottering ,JG (Gerhard)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Lottering ,JG (Gerhard)	1	1069	644	0	0	0	0	0	0	1	569	644
10	Van Niekerk ,S (Stian)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Van Niekerk ,S (Stian)	1	1200	775	0	0	0	0	0	0	1	1200	775

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Nkosi, B (Bonolo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms